The GAS Step Controllers are the best AC fan controllers available. Quiet, simple to use and the most efficient way to regulate your AC fans, with no clicking between steps like other AC fan controllers.
The digital controller technology with solid state relays create a top quality 5 step transformer. Made in Europe to the highest quality standards, the silent seamless changes between steps removes the loud clicking that some controllers have.

The 4 AMP Pro Plus Controller has the same top quality transformer and silent step transitions as the pro version. It has the addition of a heater control that works in unison with the fan controller. Keeps your grow room close to your set temperature all the time.

The GAS Step Controllers are the best AC fan controllers available. Quiet, simple to use and the most efficient way to regulate your AC fans, with no clicking between steps like other AC fan controllers.
The digital controller technology with solid state relays create a top quality 5 step transformer. Made in Europe to the highest quality standards, the silent seamless changes between steps removes the loud clicking that some controllers have.

G.A.S newest controller, the EC5 Fan Controller plugs directly into any of the Systemair EC fan range. The EC5 fan controller is a thermostatic controller with RTT technology - meaning it intelligently reacts to changes in your grow room temperature and will increase or decrease the speeds of your fans accordingly.

CarboAir™ 50 has a 50mm bed of virgin activated granular carbon. It is the best filter for normal use in smaller grow rooms. A 50mm bed of carbon is perfect for smaller grow rooms. It offers excellent filtration of air without compromising air flow.

CarboAir 75 has a deeper carbon bed of 75mm and a longer body. This provides a longer contact time between the air and carbon removing higher concentrations of VOCs. The 75mm carbon bed of virgin activated granular carbon has been developed to last under harsher conditions. Our filters have been designed to perform for a minimum of 18 months. With stronger strains you are safe with CarboAir 75

The units are super silent in operation with top quality components, the compressors are built into a soundproof enclosure to reduce noise and vibrations.
All the units have built-in water valves making sure they only use water when it is needed, meaning the Elite Cooler has a very low water consumption and is very energy efficient.
All Elite Cooler units have the following:- 

Control your grow room temperature and humidity by digitally controlling your fan speeds. The Enviro Controller will automatically control fan speed for both AC and EC fans. As it comes with an inbuilt fan balancer, the Enviro Controller can control both your intake and outtake fans for your grow room. It is built to work perfectly with the Systemair Revolution EC and AC fan range.

The 60mm CarboAir Filters offer the Great level of filtration. The filters are specially designed to tackle large volumes of air and high levels of odour, meaning your air is effectively filtered before it leaves your grow space.

See all available options.